The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for clarity is "clearness.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for inviolable is "Secure from assault of trespass."

The definition for moderate is "Tending toward the average." Used in a sentence: The best–selling writer was disappointed; his new novel was only a moderate success. The definition for drab is "dull, monotonous.", the definition for induce is "To influence or cause.", and the definition for prudent is "Marked by wisdom, shrewd."

The definition for finite is "Having definite limits." Used in a sentence: The exasperated mother had finite patience for her toddler's tantrums. The definition for scamper is "to run quickly.", the definition for precept is "A general rule of action.", and the definition for absolve is "To forgive; to free from guilt."

The definition for dubious is "Questionable." Used in a sentence: Karl found Kevin's claim that he was sick dubious, as he had just seen him playing football. The definition for drub is "to defeat decisively.", the definition for punctual is "On time.", and the definition for commemorate is "To mark by a ceremony."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for ethical is "conforming to accepted standards.", the definition for advantageous is "Giving an advantage.", and the definition for negate is "To make invalid."